320433440

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{13441}}^1$

素因数の和:13605

約数の個数: 48

約数和(自身を含む): 762161400

約数和(自身を除く): 441727960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2980, 4768, 5960, 11920, 13441, 23840, 26882, 53764, 67205, 107528, 134410, 215056, 268820, 430112, 537640, 1075280, 2002709, 2150560, 4005418, 8010836, 10013545, 16021672, 20027090, 32043344, 40054180, 64086688, 80108360, 160216720, 320433440]

約数ペア:

[(1, 320433440), (2, 160216720), (4, 80108360), (5, 64086688), (8, 40054180), (10, 32043344), (16, 20027090), (20, 16021672), (32, 10013545), (40, 8010836), (80, 4005418), (149, 2150560), (160, 2002709), (298, 1075280), (596, 537640), (745, 430112), (1192, 268820), (1490, 215056), (2384, 134410), (2980, 107528), (4768, 67205), (5960, 53764), (11920, 26882), (13441, 23840)]